| Grumo Nevano to Oerlinghausen | 806.99 mi (1,298.73 km) |
| Grumo Nevano to Oestrich-Winkel | 695.57 mi (1,119.41 km) |
| Grumo Nevano to Offenburg | 605.87 mi (975.05 km) |
| Grumo Nevano to Oftersheim | 644.91 mi (1,037.88 km) |
| Grumo Nevano to Ohrdruf | 704.26 mi (1,133.40 km) |
| Grumo Nevano to Ohringen | 616.40 mi (992.01 km) |
| Grumo Nevano to Olbernhau | 674.00 mi (1,084.70 km) |
| Grumo Nevano to Olching | 522.55 mi (840.96 km) |
| Grumo Nevano to Oldenburg | 889.72 mi (1,431.86 km) |
| Grumo Nevano to Oldenburg in Holstein | 936.62 mi (1,507.34 km) |
| Grumo Nevano to Olfen | 813.35 mi (1,308.97 km) |
| Grumo Nevano to Olpe | 761.40 mi (1,225.35 km) |
| Grumo Nevano to Olsberg | 770.54 mi (1,240.06 km) |
| Grumo Nevano to Oranienburg | 818.18 mi (1,316.74 km) |
| Grumo Nevano to Ortenberg | 697.56 mi (1,122.62 km) |
